--- a
+++ b/src/log.h
@@ -0,0 +1,90 @@
+/* Copyright (C) 2014 J.F.Dockes
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#ifndef _LOG_H_X_INCLUDED_
+#define _LOG_H_X_INCLUDED_
+
+#include <fstream> // for ofstream
+#include <iostream> // for cerr, ostream
+#include <string> // for string
+
+
+ class Logger {
+ public:
+ static Logger *getTheLog(const std::string& fn);
+ std::ostream& getstream() {
+ return m_tocerr ? std::cerr : m_stream;
+ }
+ enum LogLevel {LLNON, LLFAT, LLERR, LLINF, LLDEB, LLDEB1};
+ void setLogLevel(LogLevel level) {
+ m_loglevel = level;
+ }
+ int getloglevel() {
+ return m_loglevel;
+ }
+
+ private:
+ bool m_tocerr;
+ int m_loglevel;
+ std::ofstream m_stream;
+
+ Logger(const std::string& fn);
+ Logger(const Logger &);
+ Logger& operator=(const Logger &);
+ };
+
+#define DEBOUT (Logger::getTheLog("")->getstream())
+#define LOCAL_LOGINC 0
+#define LOGLEVEL (Logger::getTheLog("")->getloglevel()+LOCAL_LOGINC)
+
+#define LOGDEB1(X) { \
+ if (LOGLEVEL >= Logger::LLDEB1) \
+ { \
+ DEBOUT << __FILE__ << ":" << __LINE__<< "::"; DEBOUT << X; \
+ } \
+ }
+
+#define LOGDEB(X) { \
+ if (LOGLEVEL >= Logger::LLDEB) \
+ { \
+ DEBOUT << __FILE__ << ":" << __LINE__<< "::"; DEBOUT << X; \
+ } \
+ }
+
+#define LOGINF(X) { \
+ if (LOGLEVEL >= Logger::LLINF) \
+ { \
+ DEBOUT << __FILE__ << ":" << __LINE__<< "::"; DEBOUT << X; \
+ } \
+ }
+
+#define LOGERR(X) { \
+ if (LOGLEVEL >= Logger::LLERR) \
+ { \
+ DEBOUT << __FILE__ << ":" << __LINE__<< "::"; DEBOUT << X; \
+ } \
+ }
+
+#define LOGFAT(X) { \
+ if (LOGLEVEL >= Logger::LLFAT) \
+ { \
+ DEBOUT << __FILE__ << ":" << __LINE__<< "::"; DEBOUT << X; \
+ } \
+ }
+
+
+
+#endif /* _LOG_H_X_INCLUDED_ */